* EAST PACIFIC SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * SIXTEEN EP162015 09/20/15 18 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 V (KT) NO LAND 30 32 34 36 39 36 35 30 23 DIS DIS DIS DIS V (KT) LAND 30 32 30 29 35 29 27 27 27 DIS DIS DIS DIS V (KT) LGE mod 30 32 33 29 31 27 DIS DIS DIS DIS DIS DIS DIS Storm Type TROP TROP TROP TROP TROP TROP N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 8 16 23 28 35 45 N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 0 0 1 0 -2 -3 N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 208 204 213 216 214 223 N/A N/A N/A N/A N/A N/A N/A SST (C) 26.6 26.9 26.9 28.9 31.4 24.2 N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 131 134 135 156 174 107 N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -50.4 -50.1 -50.4 -50.7 -50.8 -51.4 N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 5 6 5 4 5 4 N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 67 67 64 62 57 50 N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 11 11 11 10 11 5 LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 26 16 26 22 26 49 N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 60 71 79 62 70 75 N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 2 2 4 -5 2 7 N/A N/A N/A N/A N/A N/A N/A LAND (KM) 152 113 -19 -27 36 -261 N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 24.3 xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x LONG(DEG W) 113.7 xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x STM SPEED (KT) 13 14 15 16 16 16 N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 6 4 0 7 32 0 0 0 0 0 0 0 0 FORECAST TRACK FROM OFPI INITIAL HEADING/SPEED (DEG/KT):340/ 12 CX,CY: -3/ 11 T-12 MAX WIND: 25 PRESSURE OF STEERING LEVEL (MB): 648 (MEAN=581) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 19.4 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 77.0 (MEAN=65.0) INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE 6 12 18 24 36 48 60 72 84 96 108 120 ---------------------------------------------------------- SAMPLE MEAN CHANGE 0. 0. 0. 1. 1. 1. 0. 0. -1. -1. -2. -2. SST POTENTIAL 1. 1. 2. 4. 8. 13. 18. 22. 25. 26. 28. 28. VERTICAL SHEAR MAG 1. 2. 3. 4. 3. -1. -8. -18. -26. -32. -35. -37. VERTICAL SHEAR ADJ 0. 0. 0. 0. 1. 1. 1. 1. 1. 1. 1. 1. VERTICAL SHEAR DIR 0. 1. 1. 2. 5. 7. 9. 10. 11. 11. 11. 11. PERSISTENCE 1. 1. 2. 2. 2. 2. 2. 1. 1. 1. 1. 0. 200/250 MB TEMP. -1. -1. -2. -3. -4. -6. -8. -9. -10. -11. -12. -12. THETA_E EXCESS 0. -1. -1. -2. -3. -4. -5. -6. -6. -7. -8. -8. 700-500 MB RH 0. 0. 0. 0. 0. 1. 1. 1. 1. 1. 2. 2. MODEL VTX TENDENCY 0. 0. -1. 0. -8. -8. -8. -8. -8. -8. -8. -8. 850 MB ENV VORTICITY 0. 0. 0. 0. 0. 0. 0. 0. 0. 1. 1. 1. 200 MB DIVERGENCE 0. 1. 1. 1. 2. 2. 2. 1. 1. 0. -1. -2. 850-700 T ADVEC 0. 0. 0. 0. 0. -1. -1. -1. 0. 0. 1. 1. ZONAL STORM MOTION 0. 0. -1. -1. -2. -2. -2. -3. -2. -2. -2. -2. STEERING LEVEL PRES 0. 0. 0. 0. 0. 1. 1. 2. 2. 2. 2. 2. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. GOES PREDICTORS 1. 1. 1. 1. 1. 1. 0. 0. -1. -1. -1. -1. OCEAN HEAT CONTENT 0. 0. -1. -1. 0. -1. -1. -1. -1. -1. -1. -1. ---------------------------------------------------------- TOTAL CHANGE 2. 4. 6. 9. 6. 5. 0. -7. -15. -21. -26. -27. ** 2013 E. Pacific RI INDEX EP162015 SIXTEEN 09/20/15 18 UTC ** ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR) 12 HR PERSISTENCE (KT): 5.0 Range:-22.0 to 38.5 Scaled/Wgted Val: 0.4/ 1.0 850-200 MB SHEAR (KT) : 21.8 Range: 18.7 to 1.4 Scaled/Wgted Val: 0.0/ 0.0 POT = MPI-VMAX (KT) : 115.9 Range: 40.3 to 141.7 Scaled/Wgted Val: 0.7/ 0.8 STD DEV OF IR BR TEMP : 19.4 Range: 38.9 to 2.4 Scaled/Wgted Val: 0.5/ 0.6 Heat content (KJ/cm2) : 9.8 Range: 3.6 to 75.9 Scaled/Wgted Val: 0.1/ 0.1 D200 (10**7s-1) : 68.4 Range:-11.0 to 135.3 Scaled/Wgted Val: 0.5/ 0.4 % area w/pixels <-30 C: 71.0 Range: 41.4 to 100.0 Scaled/Wgted Val: 0.5/ 0.2 850-700 MB REL HUM (%): 70.2 Range: 57.6 to 96.8 Scaled/Wgted Val: 0.3/ 0.0 Prob of RI for 25 kt RI threshold= 4% is 0.3 times the sample mean(13.1%) Prob of RI for 30 kt RI threshold= 3% is 0.3 times the sample mean( 8.7%) Prob of RI for 35 kt RI threshold= 2% is 0.3 times the sample mean( 6.0%) Prob of RI for 40 kt RI threshold= 1% is 0.3 times the sample mean( 4.3%) ## ANNULAR HURRICANE INDEX (AHI) EP162015 SIXTEEN 09/20/15 18 UTC ## ## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=5 NFAIL=2 ## ## AHI= 0 (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ##